@SuppressWarnings({"UnusedDeclaration"})
@PUT
@Path("{pId}/{tId}/volatile-participant")
public Response synchronizations(
@PathParam("pId") @DefaultValue("") String pId,
@PathParam("tId") @DefaultValue("") String tId,
String content) {
Work work = faults.get(pId);
TxStatus txStatus;
int vStatus;
if (work == null) return Response.ok().build();
txStatus = content != null ? TxStatus.fromStatus(content) : TxStatus.TransactionStatusUnknown;
vStatus = txStatus.equals(TxStatus.TransactionStatusUnknown) ? 1 : 2;
if (vStatus == 2 && work.vStatus == 0) {
// afterCompletion but coordinator never called beforeCompletion
return Response.status(HttpURLConnection.HTTP_BAD_REQUEST).build();
}
work.vStatus = vStatus;
work.syncCount += 1;
if (vStatus == 1 && "V_PREPARE".equals(work.fault))
return Response.status(HttpURLConnection.HTTP_CONFLICT).build();
else if (vStatus == 2 && "V_COMMIT".equals(work.fault))
return Response.status(HttpURLConnection.HTTP_CONFLICT).build();
return Response.ok().build();
}
/** @param args */
public static void main(String[] args) {
// TODO Auto-generated method stub
Work work = new Work(Week.MON);
Work work2 = new Work(Week.FRI);
work.descript();
work2.descript();
}
public void onReceive(Object message) {
if (message instanceof Work) {
Work work = (Work) message;
double result = calculatePiFor(work.getStart(), work.getNrOfElements());
getSender().tell(new Result(result), getSelf());
} else {
unhandled(message);
}
}
@PUT
@Path("{pId}/{tId}/prepare")
public Response prepare(
@PathParam("pId") @DefaultValue("") String pId,
@PathParam("tId") @DefaultValue("") String tId,
String content) {
Work work = faults.get(pId);
if (work != null) work.prepareCnt += 1;
return terminate(pId, tId, TxStatusMediaType.TX_PREPARED);
}
@PUT
@Path("{pId}/{tId}/rollback")
public Response rollback(
@PathParam("pId") @DefaultValue("") String pId,
@PathParam("tId") @DefaultValue("") String tId,
String content) {
Work work = faults.get(pId);
if (work != null) work.rollbackCnt += 1;
return terminate(pId, tId, TxStatusMediaType.TX_ROLLEDBACK);
}
@PUT
@Path("{pId}/{tId}/commit-one-phase")
public Response commmitOnePhase(
@PathParam("pId") @DefaultValue("") String pId,
@PathParam("tId") @DefaultValue("") String tId,
String content) {
Work work = faults.get(pId);
if (work != null) work.commmitOnePhaseCnt += 1;
return terminate(pId, tId, TxStatusMediaType.TX_COMMITTED_ONE_PHASE);
}
public String getWorkListTextually() {
String ret = "";
if (work != null) {
for (Work work1 : work) {
ret += (work1.toString() + "," + '\'');
}
}
return ret;
}
/**
* Executes a {@link Work} instance wrapped in two layers of AOP. The first is intended to
* acquire the proper arguments for {@link Work#doWork(TransactionStatus, Session,
* ServiceFactory)} for the {@link OmeroContext}, and the second performs all the standard
* service actions for any normal method call.
*
* <p>If the {@link Principal} argument is not null, then additionally, a login/logout sequence
* will be performed in a try/finally block.
*
* @param callContext Possibly null key-value map. See #3529
* @param p
* @param work
*/
public Object execute(
final Map<String, String> callContext, final Principal p, final Work work) {
if (work instanceof SimpleWork) {
((SimpleWork) work).setSqlAction(sqlAction);
}
Interceptor i = new Interceptor(factory);
ProxyFactory factory = new ProxyFactory();
factory.setTarget(work);
factory.setInterfaces(new Class[] {Work.class});
for (Advice advice : advices) {
factory.addAdvice(advice);
}
factory.addAdvice(i);
Work wrapper = (Work) factory.getProxy();
// First we guarantee that this will cause one and only
// login to take place.
if (p == null && principalHolder.size() == 0) {
throw new IllegalStateException("Must provide principal");
} else if (p != null && principalHolder.size() > 0) {
throw new IllegalStateException("Already logged in. Use Executor.submit() and .get().");
}
// Don't need to worry about the login stack below since
// already checked.
if (p != null) {
this.principalHolder.login(p);
}
if (callContext != null) {
this.principalHolder.setContext(callContext);
}
try {
// Arguments will be replaced after hibernate is in effect
return wrapper.doWork(null, isf);
} finally {
if (callContext != null) {
this.principalHolder.setContext(null);
}
if (p != null) {
int left = this.principalHolder.logout();
if (left > 0) {
log.warn("Logins left: " + left);
for (int j = 0; j < left; j++) {
this.principalHolder.logout();
}
}
}
}
}
public void run() {
while (running) {
try {
Work w = mQueue.take();
if (w != null && w.contactId == null) {
w.contactId = queryContact(w.url);
}
update(w.contactId, w.url);
} catch (InterruptedException e) {
Log.d(TAG, "INTERRUPTED!");
}
}
}
private void doTransaction(Session session, Work... works) {
Transaction tx = session.beginTransaction();
try {
for (Work work : works) {
work.doWork(session);
}
tx.commit();
} catch (Exception e) {
errorCounter.incrementAndGet();
System.err.println(e.getMessage());
tx.rollback();
}
}
protected void returnThread(PooledThread thread) {
synchronized (this.freeList) {
this.busyList.remove(thread);
if (!this.workOverflowQueue.isEmpty()) {
Work queuedWork = (Work) this.workOverflowQueue.remove(0);
queuedWork.setExitQueueTime(System.currentTimeMillis());
this.busyList.add(thread);
thread.assignWork(queuedWork);
} else {
this.freeList.add(thread);
this.freeList.notify();
}
}
}
@Override
public void onReceive(Object message) throws Exception {
if (message instanceof Work) {
Work work = (Work) message;
// SumSingleton sum = SumSingleton.getInstance();
Collection<Integer> result = sum(work.getListHolder().getList(), work.getNumber());
/*for(int i: work.getListHolder().getList()){
result.add(sum.compute(i, work.getNumber()));
}*/
getSender().tell(result, getSelf());
logger.tell(result, getSelf());
} else {
unhandled(message);
}
}
private static void perform(Calculator.Client client) throws TException {
client.ping();
System.out.println("ping()");
int sum = client.add(1, 1);
System.out.println("1+1=" + sum);
Work work = new Work();
work.op = Operation.DIVIDE;
work.num1 = 1;
work.num2 = 0;
try {
int quotient = client.calculate(1, work);
System.out.println("Whoa we can divide by 0");
} catch (InvalidOperation io) {
System.out.println("Invalid operation: " + io.why);
}
work.op = Operation.SUBTRACT;
work.num1 = 15;
work.num2 = 10;
try {
int diff = client.calculate(1, work);
System.out.println("15-10=" + diff);
} catch (InvalidOperation io) {
System.out.println("Invalid operation: " + io.why);
}
SharedStruct log = client.getStruct(1);
System.out.println("Check log: " + log.value);
}
@Override
@Transactional
public <T, E extends Exception> T consistentRead(Work<T, E> work) throws StorageException, E {
try {
return work.apply(storeProvider);
} catch (PersistenceException e) {
throw new StorageException(e.getMessage(), e);
}
}
/*
* Overrides the run method.
*/
public void run() {
workStarted(workItem, decoratedWork);
try {
decoratedWork.run();
workCompleted(workItem, decoratedWork);
} catch (Throwable th) {
workCompleted(workItem, decoratedWork, new WorkSchedulerException(th.getMessage(), th));
}
}
public boolean assign(Runnable work, boolean addToQueueIfFull) {
if (this.stopThePool) {
throw new RuntimeException("Pool is stopping... no more work please.");
}
Work runWork = new Work(work);
PooledThread thread = getNextAvailableThread();
if (thread != null) {
this.busyList.add(thread);
thread.assignWork(runWork);
return true;
}
if (addToQueueIfFull) {
runWork.setEnterQueueTime(System.currentTimeMillis());
this.workOverflowQueue.add(runWork);
}
return false;
}
@Override
public boolean doSomething() {
if (_worker != null) {
System.out.println("Prepare to work");
_worker.doSomething();
System.out.println("Cleanup after working");
return true;
} else {
System.out.println("No worker available");
return false;
}
}
public AuthorEntity createEntry() {
if (getClass() == AuthorEntity.class) return (AuthorEntity) this;
AuthorEntity entity = new AuthorEntity();
entity.setHasUpdates(hasUpdates);
entity.setId(id);
entity.setHasAvatar(hasAvatar);
entity.setHasAbout(hasAbout);
entity.setDateBirth(dateBirth);
entity.setRate(rate);
entity.setSize(size);
entity.setKudoed(kudoed);
entity.setLink(link);
entity.setNewest(newest);
entity.setShortName(getShortName());
entity.setFullName(fullName);
entity.setAnnotation(annotation);
entity.setEmail(email);
entity.setWorkCount(workCount);
entity.setSectionAnnotation(sectionAnnotation);
entity.setGender(getGender());
entity.setAbout(about);
entity.setViews(views);
entity.setAddress(address);
entity.setParsed(parsed);
entity.setSite(site);
entity.setLastUpdateDate(lastUpdateDate);
for (Category category : categories) {
category.setAuthor(entity);
entity.addCategory(category.createEntry());
}
for (Work recommendation : recommendations) {
recommendation.setAuthor(entity);
entity.addRecommendation(recommendation.createEntity());
}
for (Work rootWork : rootWorks) {
rootWork.setRootAuthor(entity);
entity.addRootLink(rootWork.createEntity());
}
for (Link rootLink : rootLinks) {
rootLink.setRootAuthor(entity);
entity.addRootLink(rootLink.createEntity());
}
for (Author author : friendList) {
entity.addFriend(author.createEntry());
}
for (Author author : friendOfList) {
entity.addFriendOf(author.createEntry());
}
return entity;
}
public void execute(Work work) {
System.out.printf("WorkRunner[%s] execute Work[%d]\n", beanId, work.getOrder());
work.run();
}
public MailWork() {
super();
super.setType(Work.TYPE_MAIL_MESSAGE);
}
public MailWork(String id, String name) {
super(id, name);
super.setType(Work.TYPE_MAIL_MESSAGE);
}
@SuppressWarnings({"UnusedDeclaration"})
@PUT
@Path("{pId}/{tId}/terminator")
public Response terminate(
@PathParam("pId") @DefaultValue("") String pId,
@PathParam("tId") @DefaultValue("") String tId,
String content) {
TxStatus status = TxSupport.toTxStatus(content);
// String status = TxSupport.getStatus(content);
Work work = faults.get(pId);
if (work == null) return Response.status(HttpURLConnection.HTTP_NOT_FOUND).build();
String fault = work.fault;
if (status.isPrepare()) {
if ("READONLY".equals(fault)) {
// faults.remove(pId);
work.status = TxStatus.TransactionReadOnly.name();
} else if ("PREPARE_FAIL".equals(fault)) {
// faults.remove(pId);
return Response.status(HttpURLConnection.HTTP_CONFLICT).build();
// throw new WebApplicationException(HttpURLConnection.HTTP_CONFLICT);
} else {
if ("PDELAY".equals(fault)) {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
}
}
work.status = TxStatus.TransactionPrepared.name();
}
} else if (status.isCommit() || status.isCommitOnePhase()) {
if ("H_HAZARD".equals(fault)) work.status = TxStatus.TransactionHeuristicHazard.name();
else if ("H_ROLLBACK".equals(fault))
work.status = TxStatus.TransactionHeuristicRollback.name();
else if ("H_MIXED".equals(fault)) work.status = TxStatus.TransactionHeuristicMixed.name();
else {
if ("CDELAY".equals(fault)) {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
// ok
}
}
work.status =
status.isCommitOnePhase()
? TxStatus.TransactionCommittedOnePhase.name()
: TxStatus.TransactionCommitted.name();
work.end(true);
}
} else if (status.isAbort()) {
if ("H_HAZARD".equals(fault)) work.status = TxStatus.TransactionHeuristicHazard.name();
else if ("H_COMMIT".equals(fault)) work.status = TxStatus.TransactionHeuristicCommit.name();
else if ("H_MIXED".equals(fault)) work.status = TxStatus.TransactionHeuristicMixed.name();
else {
if ("ADELAY".equals(fault)) {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// ok
}
}
work.status = TxStatus.TransactionRolledBack.name();
work.end(false);
// faults.remove(pId);
}
} else {
return Response.status(HttpURLConnection.HTTP_BAD_REQUEST).build();
// throw new WebApplicationException(HttpURLConnection.HTTP_BAD_REQUEST);
}
// return TxSupport.toStatusContent(work.status);
return Response.ok(TxSupport.toStatusContent(work.status)).build();
}
@Override
public WorkAck doWork(Work work) {
String cmd = work.getCommand();
LOGGER.info(":: WorkService :: Received work command => " + cmd);
return new WorkAck().setCommand(cmd).setReceived(true);
}
@POST
@Produces(TxMediaType.PLAIN_MEDIA_TYPE)
public String enlist(
@Context UriInfo info,
@QueryParam("pId") @DefaultValue("") String pId,
@QueryParam("fault") @DefaultValue("") String fault,
@QueryParam("twoPhaseAware") @DefaultValue("true") String twoPhaseAware,
@QueryParam("isVolatile") @DefaultValue("false") String isVolatile,
String enlistUrl)
throws IOException {
Work work = faults.get(pId);
TxSupport txn = new TxSupport();
String txId = enlistUrl.substring(enlistUrl.lastIndexOf('/') + 1);
boolean isTwoPhaseAware = "true".equals(twoPhaseAware);
boolean isVolatileParticipant = "true".equals(isVolatile);
String vRegistration = null; // URI for registering with the volatile phase
String vParticipantLink = null; // URI for handling pre and post 2PC phases
String path = TxSupport.extractUri(info);
if (work == null) {
int id = ++pid;
work =
makeWork(
txn,
path,
String.valueOf(id),
txId,
enlistUrl,
isTwoPhaseAware,
isVolatileParticipant,
null,
fault);
} else {
Work newWork =
makeWork(
txn,
path,
work.id,
txId,
enlistUrl,
isTwoPhaseAware,
isVolatileParticipant,
null,
fault);
newWork.oldState = work.oldState;
newWork.newState = work.newState;
work = newWork;
}
if (enlistUrl.indexOf(',') != -1) {
String[] urls = enlistUrl.split(",");
if (urls.length < 2) throw new WebApplicationException(HttpURLConnection.HTTP_BAD_REQUEST);
enlistUrl = urls[0];
vRegistration = urls[1];
String vParticipant =
new StringBuilder(path)
.append('/')
.append(work.id)
.append('/')
.append(txId)
.append('/')
.append("vp")
.toString();
vParticipantLink =
txn.addLink2(new StringBuilder(), TxLinkNames.VOLATILE_PARTICIPANT, vParticipant, true)
.toString();
}
try {
// enlist TestResource in the transaction as a participant
work.recoveryUrl = txn.enlistParticipant(enlistUrl, work.pLinks);
if (vParticipantLink != null)
txn.enlistVolatileParticipant(vRegistration, vParticipantLink);
} catch (HttpResponseException e) {
throw new WebApplicationException(e.getActualResponse());
}
work.status = TxStatus.TransactionActive.name();
work.start();
faults.put(work.id, work);
return work.id;
}
@SuppressWarnings({"UnusedDeclaration"})
@GET
public String getBasic(
@Context UriInfo info,
@QueryParam("pId") @DefaultValue("") String pId,
@QueryParam("context") @DefaultValue("") String ctx,
@QueryParam("name") @DefaultValue("") String name,
@QueryParam("value") @DefaultValue("") String value,
@QueryParam("query") @DefaultValue("pUrl") String query,
@QueryParam("arg") @DefaultValue("") String arg,
@QueryParam("twoPhaseAware") @DefaultValue("true") String twoPhaseAware,
@QueryParam("isVolatile") @DefaultValue("false") String isVolatileParticipant,
@QueryParam("register") @DefaultValue("true") String register) {
Work work = faults.get(pId);
String res = null;
boolean isVolatile = "true".equals(isVolatileParticipant);
boolean isTwoPhaseAware = "true".equals(twoPhaseAware);
if (name.length() != 0) {
if (value.length() != 0) {
if (work == null) {
work =
makeWork(
new TxSupport(),
TxSupport.extractUri(info),
String.valueOf(++pid),
null,
null,
isTwoPhaseAware,
isVolatile,
null,
null);
work.oldState.put(name, value);
faults.put(work.id, work);
return work.id;
}
work.newState.put(name, value);
}
if (work != null) {
if ("syncCount".equals(name)) res = String.valueOf(work.syncCount);
else if ("commitCnt".equals(name)) res = String.valueOf(work.commitCnt);
else if ("prepareCnt".equals(name)) res = String.valueOf(work.prepareCnt);
else if ("rollbackCnt".equals(name)) res = String.valueOf(work.rollbackCnt);
else if ("commmitOnePhaseCnt".equals(name)) res = String.valueOf(work.commmitOnePhaseCnt);
else if (work.inTxn()) res = work.newState.get(name);
else res = work.oldState.get(name);
}
}
if (work == null) throw new WebApplicationException(HttpURLConnection.HTTP_NOT_FOUND);
if ("move".equals(query))
res = moveParticipant(work, arg, register, isTwoPhaseAware, isVolatile);
else if ("recoveryUrl".equals(query)) res = work.recoveryUrl;
else if ("status".equals(query)) res = work.status;
else if (res == null) res = work.pLinks;
return res; // null will generate a 204 status code (no content)
}
public String getBoss() {
return work.getBoss();
}
/**
* Execute the discrete work encapsulated by a {@link Work} instance using the supplied
* connection.
*
* <p>Because {@link Work} does not return a value when executed (via {@link
* Work#execute(java.sql.Connection)}, this method always returns null.
*
* @param work The @link ReturningWork} instance encapsulating the discrete work
* @param connection The connection on which to perform the work.
* @return null>.
* @throws SQLException Thrown during execution of the underlying JDBC interaction.
* @throws org.hibernate.HibernateException Generally indicates a wrapped SQLException.
*/
public <T> T executeWork(Work work, Connection connection) throws SQLException {
work.execute(connection);
return null;
}
